dlist.c

winNT技术操作系统,国外开放的原代码和LIUX一样

   }
   if (ctx->ExecuteFlag) {
      CALL_DrawBuffer(ctx->Exec, ( mode ));
   }
}


static void GLAPIENTRY save_DrawPixels( GLsizei width, GLsizei height,
                             GLenum format, GLenum type,
                             const GLvoid *pixels )
{
   GET_CURRENT_CONTEXT(ctx);
   GLvoid *image = unpack_image(2, width, height, 1, format, type,
                                pixels, &ctx->Unpack);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_DRAW_PIXELS, 5 );
   if (n) {
      n[1].i = width;
      n[2].i = height;
      n[3].e = format;
      n[4].e = type;
      n[5].data = image;
   }
   else if (image) {
      FREE(image);
   }
   if (ctx->ExecuteFlag) {
      CALL_DrawPixels(ctx->Exec, ( width, height, format, type, pixels ));
   }
}



static void GLAPIENTRY save_Enable( GLenum cap )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_ENABLE, 1 );
   if (n) {
      n[1].e = cap;
   }
   if (ctx->ExecuteFlag) {
      CALL_Enable(ctx->Exec, ( cap ));
   }
}



void GLAPIENTRY _mesa_save_EvalMesh1( GLenum mode, GLint i1, GLint i2 )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_EVALMESH1, 3 );
   if (n) {
      n[1].e = mode;
      n[2].i = i1;
      n[3].i = i2;
   }
   if (ctx->ExecuteFlag) {
      CALL_EvalMesh1(ctx->Exec, ( mode, i1, i2 ));
   }
}


void GLAPIENTRY _mesa_save_EvalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_EVALMESH2, 5 );
   if (n) {
      n[1].e = mode;
      n[2].i = i1;
      n[3].i = i2;
      n[4].i = j1;
      n[5].i = j2;
   }
   if (ctx->ExecuteFlag) {
      CALL_EvalMesh2(ctx->Exec, ( mode, i1, i2, j1, j2 ));
   }
}




static void GLAPIENTRY save_Fogfv( GLenum pname, const GLfloat *params )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_FOG, 5 );
   if (n) {
      n[1].e = pname;
      n[2].f = params[0];
      n[3].f = params[1];
      n[4].f = params[2];
      n[5].f = params[3];
   }
   if (ctx->ExecuteFlag) {
      CALL_Fogfv(ctx->Exec, ( pname, params ));
   }
}


static void GLAPIENTRY save_Fogf( GLenum pname, GLfloat param )
{
   save_Fogfv(pname, &param);
}


static void GLAPIENTRY save_Fogiv(GLenum pname, const GLint *params )
{
   GLfloat p[4];
   switch (pname) {
      case GL_FOG_MODE:
      case GL_FOG_DENSITY:
      case GL_FOG_START:
      case GL_FOG_END:
      case GL_FOG_INDEX:
	 p[0] = (GLfloat) *params;
	 break;
      case GL_FOG_COLOR:
	 p[0] = INT_TO_FLOAT( params[0] );
	 p[1] = INT_TO_FLOAT( params[1] );
	 p[2] = INT_TO_FLOAT( params[2] );
	 p[3] = INT_TO_FLOAT( params[3] );
	 break;
      default:
         /* Error will be caught later in gl_Fogfv */
         ;
   }
   save_Fogfv(pname, p);
}


static void GLAPIENTRY save_Fogi(GLenum pname, GLint param )
{
   save_Fogiv(pname, &param);
}


static void GLAPIENTRY save_FrontFace( GLenum mode )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_FRONT_FACE, 1 );
   if (n) {
      n[1].e = mode;
   }
   if (ctx->ExecuteFlag) {
      CALL_FrontFace(ctx->Exec, ( mode ));
   }
}


static void GLAPIENTRY save_Frustum( GLdouble left, GLdouble right,
                      GLdouble bottom, GLdouble top,
                      GLdouble nearval, GLdouble farval )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_FRUSTUM, 6 );
   if (n) {
      n[1].f = (GLfloat) left;
      n[2].f = (GLfloat) right;
      n[3].f = (GLfloat) bottom;
      n[4].f = (GLfloat) top;
      n[5].f = (GLfloat) nearval;
      n[6].f = (GLfloat) farval;
   }
   if (ctx->ExecuteFlag) {
      CALL_Frustum(ctx->Exec, ( left, right, bottom, top, nearval, farval ));
   }
}


static void GLAPIENTRY save_Hint( GLenum target, GLenum mode )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_HINT, 2 );
   if (n) {
      n[1].e = target;
      n[2].e = mode;
   }
   if (ctx->ExecuteFlag) {
      CALL_Hint(ctx->Exec, ( target, mode ));
   }
}


static void GLAPIENTRY
save_Histogram(GLenum target, GLsizei width, GLenum internalFormat, GLboolean sink)
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;

   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_HISTOGRAM, 4 );
   if (n) {
      n[1].e = target;
      n[2].i = width;
      n[3].e = internalFormat;
      n[4].b = sink;
   }
   if (ctx->ExecuteFlag) {
      CALL_Histogram(ctx->Exec, ( target, width, internalFormat, sink ));
   }
}


static void GLAPIENTRY save_IndexMask( GLuint mask )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_INDEX_MASK, 1 );
   if (n) {
      n[1].ui = mask;
   }
   if (ctx->ExecuteFlag) {
      CALL_IndexMask(ctx->Exec, ( mask ));
   }
}


static void GLAPIENTRY save_InitNames( void )
{
   GET_CURRENT_CONTEXT(ctx);
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   (void) ALLOC_INSTRUCTION( ctx, OPCODE_INIT_NAMES, 0 );
   if (ctx->ExecuteFlag) {
      CALL_InitNames(ctx->Exec, ());
   }
}


static void GLAPIENTRY save_Lightfv( GLenum light, GLenum pname, const GLfloat *params )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_LIGHT, 6 );
   if (OPCODE_LIGHT) {
      GLint i, nParams;
      n[1].e = light;
      n[2].e = pname;
      switch (pname) {
         case GL_AMBIENT:
            nParams = 4;
            break;
         case GL_DIFFUSE:
            nParams = 4;
            break;
         case GL_SPECULAR:
            nParams = 4;
            break;
         case GL_POSITION:
            nParams = 4;
            break;
         case GL_SPOT_DIRECTION:
            nParams = 3;
            break;
         case GL_SPOT_EXPONENT:
            nParams = 1;
            break;
         case GL_SPOT_CUTOFF:
            nParams = 1;
            break;
         case GL_CONSTANT_ATTENUATION:
            nParams = 1;
            break;
         case GL_LINEAR_ATTENUATION:
            nParams = 1;
            break;
         case GL_QUADRATIC_ATTENUATION:
            nParams = 1;
            break;
         default:
            nParams = 0;
      }
      for (i = 0; i < nParams; i++) {
	 n[3+i].f = params[i];
      }
   }
   if (ctx->ExecuteFlag) {
      CALL_Lightfv(ctx->Exec, ( light, pname, params ));
   }
}


static void GLAPIENTRY save_Lightf( GLenum light, GLenum pname, GLfloat params )
{
   save_Lightfv(light, pname, &params);
}


static void GLAPIENTRY save_Lightiv( GLenum light, GLenum pname, const GLint *params )
{
   GLfloat fparam[4];
   switch (pname) {
      case GL_AMBIENT:
      case GL_DIFFUSE:
      case GL_SPECULAR:
         fparam[0] = INT_TO_FLOAT( params[0] );
         fparam[1] = INT_TO_FLOAT( params[1] );
         fparam[2] = INT_TO_FLOAT( params[2] );
         fparam[3] = INT_TO_FLOAT( params[3] );
         break;
      case GL_POSITION:
         fparam[0] = (GLfloat) params[0];
         fparam[1] = (GLfloat) params[1];
         fparam[2] = (GLfloat) params[2];
         fparam[3] = (GLfloat) params[3];
         break;
      case GL_SPOT_DIRECTION:
         fparam[0] = (GLfloat) params[0];
         fparam[1] = (GLfloat) params[1];
         fparam[2] = (GLfloat) params[2];
         break;
      case GL_SPOT_EXPONENT:
      case GL_SPOT_CUTOFF:
      case GL_CONSTANT_ATTENUATION:
      case GL_LINEAR_ATTENUATION:
      case GL_QUADRATIC_ATTENUATION:
         fparam[0] = (GLfloat) params[0];
         break;
      default:
         /* error will be caught later in gl_Lightfv */
         ;
   }
   save_Lightfv( light, pname, fparam );
}


static void GLAPIENTRY save_Lighti( GLenum light, GLenum pname, GLint param )
{
   save_Lightiv( light, pname, &param );
}


static void GLAPIENTRY save_LightModelfv( GLenum pname, const GLfloat *params )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_LIGHT_MODEL, 5 );
   if (n) {
      n[1].e = pname;
      n[2].f = params[0];
      n[3].f = params[1];
      n[4].f = params[2];
      n[5].f = params[3];
   }
   if (ctx->ExecuteFlag) {
      CALL_LightModelfv(ctx->Exec, ( pname, params ));
   }
}


static void GLAPIENTRY save_LightModelf( GLenum pname, GLfloat param )
{
   save_LightModelfv(pname, &param);
}


static void GLAPIENTRY save_LightModeliv( GLenum pname, const GLint *params )
{
   GLfloat fparam[4];
   switch (pname) {
      case GL_LIGHT_MODEL_AMBIENT:
         fparam[0] = INT_TO_FLOAT( params[0] );
         fparam[1] = INT_TO_FLOAT( params[1] );
         fparam[2] = INT_TO_FLOAT( params[2] );
         fparam[3] = INT_TO_FLOAT( params[3] );
         break;
      case GL_LIGHT_MODEL_LOCAL_VIEWER:
      case GL_LIGHT_MODEL_TWO_SIDE:
      case GL_LIGHT_MODEL_COLOR_CONTROL:
         fparam[0] = (GLfloat) params[0];
         break;
      default:
         /* Error will be caught later in gl_LightModelfv */
         ;
   }
   save_LightModelfv(pname, fparam);
}


static void GLAPIENTRY save_LightModeli( GLenum pname, GLint param )
{
   save_LightModeliv(pname, &param);
}


static void GLAPIENTRY save_LineStipple( GLint factor, GLushort pattern )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_LINE_STIPPLE, 2 );
   if (n) {
      n[1].i = factor;
      n[2].us = pattern;
   }
   if (ctx->ExecuteFlag) {
      CALL_LineStipple(ctx->Exec, ( factor, pattern ));
   }
}


static void GLAPIENTRY save_LineWidth( GLfloat width )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_LINE_WIDTH, 1 );
   if (n) {
      n[1].f = width;
   }
   if (ctx->ExecuteFlag) {
      CALL_LineWidth(ctx->Exec, ( width ));
   }
}


static void GLAPIENTRY save_ListBase( GLuint base )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_LIST_BASE, 1 );
   if (n) {
      n[1].ui = base;
   }
   if (ctx->ExecuteFlag) {
      CALL_ListBase(ctx->Exec, ( base ));
   }
}


static void GLAPIENTRY save_LoadIdentity( void )
{
   GET_CURRENT_CONTEXT(ctx);
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   (void) ALLOC_INSTRUCTION( ctx, OPCODE_LOAD_IDENTITY, 0 );
   if (ctx->ExecuteFlag) {
      CALL_LoadIdentity(ctx->Exec, ());
   }
}


static void GLAPIENTRY save_LoadMatrixf( const GLfloat *m )
{
   GET_CURRENT_CONTEXT(ctx);
   Node *n;
   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
   n = ALLOC_INSTRUCTION( ctx, OPCODE_LOAD_MATRIX, 16 );
   if (n) {
      GLuint i;
      for (i=0;i<16;i++) {
	 n[1+i].f = m[i];